It is federal republic, because oligarchy and unitary republic are totally wrong. And the confederal republic was basically the old USA..
George Washinton is the anwser.
In the early part of the fifteenth century, Portuguese sailors had started to explore the West African coast, spurred on by a desire for new markets and a persistent dislike of the Muslims.
In the early years of our Congress they had representatives and the senators and the whole meaning of it is the word pirate which means filbuster was popular in the 1850s when it was to host the senate floor in order to prevent a vote on a bill